TED演讲:一就是一吗
Which is correct: "A dozen eggs is?" Or "A dozen eggs are?" I remember being in elementary school, and my teachers making a big deal about the unit. And I never really got that, until one day, I was in the grocery store, and I wanted to buy an apple, but I couldn't buy one apple. I had to buy a whole bag of apples. So I did. I bought one bag of apples...